<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\model\User;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * 学校管理
 *
 * @icon fa fa-circle-o
 */
class School extends Backend
{

    /**
     * School模型对象
     * @var \app\common\model\School
     */
    protected $model = null;

    protected $searchFields = 'id,name';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\common\model\School;

    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        addtion($list->items(), [[
            'field' => 'user_ids', //关联数据字段
//            'display' => '', //附加的字段名称
//            'primary' => '', //关联表主键
            'column' => 'nickname', //关联表中读取需要显示的字段
            'model' => User::class, //关联模型
//            'table' => ''//关联表，关联表和关联模型二选一
        ]]);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            $user_ids = $params['user_ids'];
            if ($user_ids) {
                $user_ids = explode(',', $user_ids);
                foreach ($user_ids as $user_id) {
                    \app\common\model\user\School::create([
                        'user_id' => $user_id,
                        'school_id' => $this->model->id,
                        'status' => 2,
                    ]);
                    $u = User::where('id', $user_id)->find();
                    if (!$u->school_id) {
                        $u->school_id = $this->model->id;
                        $u->save();
                    }
                }
            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            $user_ids = $params['user_ids'];
            if ($user_ids) {
                $user_ids = explode(',', $user_ids);
                foreach ($user_ids as $user_id) {
                    $user_school = \app\common\model\user\School::where('user_id', $user_id)
                        ->where('school_id', $ids)->find();
                    if (!$user_school) {
                        \app\common\model\user\School::create([
                            'user_id' => $user_id,
                            'school_id' => $ids,
                            'status' => 2,
                        ]);
                        $u = User::where('id', $user_id)->find();
                        if (!$u->school_id) {
                            $u->school_id = $ids;
                            $u->save();
                        }
                    } elseif ($user_school->status != 2) {
                        $user_school->status = 2;
                        $user_school->save();
                    }
                }
            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }
}
